Problem Display
PID: 268851 (8/5K2/4p3/1P6/1B1k4/7Q/P7/8 w - - 0 1)

Petrasinovic, Petrasin

2nd HM., Sem Shakhmatnikh not, 2020

8/5K2/4p3/1P6/1B1k4/7Q/P7/8

#4

5 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.a4!
      • 1...Kc4
        • 2.Qc3+
          • 2...Kd5
            • 3.Qd3+
              • 3...Ke5
                • 4.Bd6#
      • 1...Ke4
        • 2.Kxe6
          • 2...Kd4
            • 3.Qf3
              • 3...Kc4
                • 4.Qc3#
          • 2...Kf4
            • 3.Bd2+
              • 3...Ke4
                • 4.Qe3#
      • 1...Ke5
        • 2.Qf3
          • 2...Kd4
            • 3.Kxe6
              • 3...Kc4
                • 4.Qc3#
      • 1...e5
        • 2.Qf3
          • threat
            • 3.Ke6
              • 3...Kc4
                • 4.Qc3#
              • 3...e4
                • 4.Qc3#
          • 2...Kc4
            • 3.Qc3+
              • 3...Kd5
                • 4.Qd3#
          • 2...e4
            • 3.Qc3+
              • 3...Kd5
                • 4.Qc5#

FEATURES


NOT CLASSIFIED


Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).